docs: def get_thumb_from_homescreen(self):
          """Retrieve thumbnail from homescreen."""
          for device in self.sync.homescreen['devices']:
              try:
                  device_type = device['device_type']
                  device_name = device['name']
                  device_thumb = device['thumbnail']
                  if device_type == 'camera' and device_name == self.name:
                      return device_thumb
              except KeyError:
                  pass
          _LOGGER.error("Could not find thumbnail for camera %s",
                        self.name,
                        exc_info=True)
          return None